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60478656 | 1 | /* [efg]cvt -- compatibility functions for floating point formatting. |
52e9a9d1 | 2 | Copyright (C) 1995, 1996 Free Software Foundation, Inc. |
0923c7a5 RM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If | |
17 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
18 | Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #include <stdio.h> | |
60478656 | 21 | #include <stdlib.h> |
52e9a9d1 RM |
22 | #include <float.h> |
23 | ||
24 | #define MAXDIG (DBL_DIG + DBL_MAX_10_EXP) | |
0923c7a5 RM |
25 | |
26 | char * | |
27 | fcvt (value, ndigit, decpt, sign) | |
28 | double value; | |
29 | int ndigit, *decpt, *sign; | |
30 | { | |
52e9a9d1 | 31 | static char buf[MAXDIG]; |
0923c7a5 | 32 | |
60478656 | 33 | (void) fcvt_r (value, ndigit, decpt, sign, buf, sizeof buf); |
0923c7a5 RM |
34 | |
35 | return buf; | |
36 | } | |
37 | ||
38 | char * | |
39 | ecvt (value, ndigit, decpt, sign) | |
40 | double value; | |
41 | int ndigit, *decpt, *sign; | |
42 | { | |
52e9a9d1 | 43 | static char buf[MAXDIG]; |
60478656 RM |
44 | |
45 | (void) ecvt_r (value, ndigit, decpt, sign, buf, sizeof buf); | |
46 | ||
47 | return buf; | |
0923c7a5 RM |
48 | } |
49 | ||
50 | char * | |
51 | gcvt (value, ndigit, buf) | |
52 | double value; | |
53 | int ndigit; | |
54 | char *buf; | |
55 | { | |
56 | sprintf (buf, "%.*g", ndigit, value); | |
57 | return buf; | |
58 | } |